As a DC-area resident, I've been one of many local developers saying that the DC Metro needs some sort of API. If anything, just to be able to build or integrate transit routes into existing apps. The wait appears over and the Washington Metropolitan Area Transit Authority now has an API.
Eva, the Expert Virtual agent from Evature, is a natural language processing search utility that is open and available for incorporation in any travel website. It offers a natural language processing engine through its Evature Travel Search API, which is tuned to identify common travel parameters such as number of travelers, place names and locations, and fuzzy date ranges. Travel websites can then use these parsed information bits to search their system for matching flights, hotels, or travel packages.
Nine APIs have been added to the ProgrammableWeb directory in categories including Travel, Education and Transportation. Highlights include an API for integrating applications with travel booking options and an API that monitors truck fleets and their drivers for safety and efficiency.